获取日志文件总数 - LogGetTotalFilesCount

函数简介

获取日志实例的日志文件总数。

接口名称

LogGetTotalFilesCount

DLL调用

int32_t LogGetTotalFilesCount(int64_t instance, int64_t loggerHandle);

参数说明

参数名	类型	说明
instance	长整数型	OLAPlug对象的指针，由 CreateCOLAPlugInterFace 接口生成。
loggerHandle	长整数型	日志实例句柄（0 表示默认实例）。

示例

在滚动/清理场景下查询当前日志文件总数。

SDK 调用

#include "OLAPlugServer.h"
#include <cstdio>

OLAPlugServer ola;
const int64_t logger = 0; // 默认实例

ola.LogSetBaseDirectory(logger, "D:\\logs");
ola.LogSetFileNamePattern(logger, "app_{date}_{index}.log");
ola.LogInfo("file-1");
ola.LogRotateFile(logger);
ola.LogInfo("file-2");
int count = ola.LogGetTotalFilesCount(logger);
std::printf("total files: %d\n", count);
// 清理后可再查：LogCleanupOldFiles + LogGetTotalFilesCount

using System;
using OLAPlug;

var ola = new OLAPlugServer();
long logger = 0;

ola.LogSetBaseDirectory(logger, @"D:\logs");
ola.LogSetFileNamePattern(logger, "app_{date}_{index}.log");
ola.LogInfo("file-1");
ola.LogRotateFile(logger);
ola.LogInfo("file-2");
int count = ola.LogGetTotalFilesCount(logger);
Console.WriteLine("total files: " + count);
// 清理后可再查：LogCleanupOldFiles + LogGetTotalFilesCount

from OLAPlugServer import OLAPlugServer

ola = OLAPlugServer()
logger = 0

ola.LogSetBaseDirectory(logger, r"D:\logs")
ola.LogSetFileNamePattern(logger, "app_{date}_{index}.log")
ola.LogInfo("file-1")
ola.LogRotateFile(logger)
ola.LogInfo("file-2")
count = ola.LogGetTotalFilesCount(logger)
print("total files:", count)
# 清理后可再查：LogCleanupOldFiles + LogGetTotalFilesCount

import com.olaplug.OLAPlugServer;

OLAPlugServer ola = new OLAPlugServer();
long logger = 0;

ola.LogSetBaseDirectory(logger, "D:\\logs");
ola.LogSetFileNamePattern(logger, "app_{date}_{index}.log");
ola.LogInfo("file-1");
ola.LogRotateFile(logger);
ola.LogInfo("file-2");
int count = ola.LogGetTotalFilesCount(logger);
System.out.println("total files: " + count);
// 清理后可再查：LogCleanupOldFiles + LogGetTotalFilesCount

import (
    "fmt"
    "github.com/ola/olaplug/olaplug"
)

ola, _ := olaplug.NewOLAPlugServer("OLAPlug_x64.dll")
defer ola.ReleaseObj()
logger := int64(0)

ola.LogSetBaseDirectory(logger, `D:\logs`)
ola.LogSetFileNamePattern(logger, "app_{date}_{index}.log")
ola.LogInfo("file-1")
ola.LogRotateFile(logger)
ola.LogInfo("file-2")
count := ola.LogGetTotalFilesCount(logger)
fmt.Println("total files:", count)
// 清理后可再查：LogCleanupOldFiles + LogGetTotalFilesCount

use olaplug::OLAPlugServer;

let ola = OLAPlugServer::new("OLAPlug_x64.dll").unwrap();
let logger = 0i64;

ola.log_set_base_directory(logger, r"D:\logs");
ola.log_set_file_name_pattern(logger, "app_{date}_{index}.log");
ola.log_info("file-1");
ola.log_rotate_file(logger);
ola.log_info("file-2");
let count = ola.log_get_total_files_count(logger);
println!("total files: {}", count);
// 清理后可再查：LogCleanupOldFiles + LogGetTotalFilesCount

var ola = com("OlaPlug.OlaSoft")
var logger = 0

ola.LogSetBaseDirectory(logger, "D:\\logs")
ola.LogSetFileNamePattern(logger, "app_{date}_{index}.log")
ola.LogInfo("file-1")
ola.LogRotateFile(logger)
ola.LogInfo("file-2")
var count = ola.LogGetTotalFilesCount(logger)
traceprint("total files: " + count)
// 清理后可再查：LogCleanupOldFiles + LogGetTotalFilesCount

Set ola = CreateObject("OlaPlug.OlaSoft")
logger = 0

ola.LogSetBaseDirectory logger, "D:\logs"
ola.LogSetFileNamePattern logger, "app_{date}_{index}.log"
ola.LogInfo "file-1"
ola.LogRotateFile logger
ola.LogInfo "file-2"
count = ola.LogGetTotalFilesCount(logger)
TracePrint "total files: " & count
' 清理后可再查：LogCleanupOldFiles + LogGetTotalFilesCount

.局部变量 ola, OLAPlug
.局部变量 ret, 整数型
.局部变量 logger, 长整数型
.局部变量 count, 整数型

ola.Create ()
logger ＝ 0

ola.LogSetBaseDirectory (logger, “D:\logs”)
ola.LogSetFileNamePattern (logger, “app_{date}_{index}.log”)
ola.LogInfo (“file-1”)
ola.LogRotateFile (logger)
ola.LogInfo (“file-2”)
count ＝ ola.LogGetTotalFilesCount (logger)
调试输出 (“total files：”, count)
' 清理后可再查：LogCleanupOldFiles + LogGetTotalFilesCount

import OLAPlugServer;
var ola = OLAPlugServer();
var logger = 0;

ola.LogSetBaseDirectory(logger, "D:\\logs");
ola.LogSetFileNamePattern(logger, "app_{date}_{index}.log");
ola.LogInfo("file-1");
ola.LogRotateFile(logger);
ola.LogInfo("file-2");
var count = ola.LogGetTotalFilesCount(logger);
io.print("total files: ", count);
// 清理后可再查：LogCleanupOldFiles + LogGetTotalFilesCount

变量 ola <类型 = OLAPlugServer>
ola = 新建 OLAPlugServer
长整数 logger = 0

ola.LogSetBaseDirectory(logger, "D:\\logs")
ola.LogSetFileNamePattern(logger, "app_{date}_{index}.log")
ola.LogInfo("file-1")
ola.LogRotateFile(logger)
ola.LogInfo("file-2")
整数 count = ola.LogGetTotalFilesCount(logger)
调试输出 ("total files：", count)
' 清理后可再查：LogCleanupOldFiles + LogGetTotalFilesCount

#include "OLAPlugServer.h"
#include <cstdio>

OLAPlugServer ola;
int64_t logger = 0;

ola.LogSetBaseDirectory(logger, "D:\\logs");
ola.LogSetFileNamePattern(logger, "app_{date}_{index}.log");
ola.LogInfo("file-1");
ola.LogRotateFile(logger);
ola.LogInfo("file-2");
int32_t count = ola.LogGetTotalFilesCount(logger);
std::printf("total files: %d\n", count);
// 清理后可再查：LogCleanupOldFiles + LogGetTotalFilesCount

原生 DLL 调用

long instance = CreateCOLAPlugInterFace();
long logger = 0;

LogSetBaseDirectory(instance, logger, "D:\\logs");
LogSetFileNamePattern(instance, logger, "app_{date}_{index}.log");
LogInfo(instance, "file-1");
LogRotateFile(instance, logger);
LogInfo(instance, "file-2");
int count = LogGetTotalFilesCount(instance, logger);

using System.Runtime.InteropServices;

[DllImport("OLAPlug_x64.dll", CallingConvention = CallingConvention.StdCall)]
static extern long CreateCOLAPlugInterFace();
[DllImport("OLAPlug_x64.dll", CallingConvention = CallingConvention.StdCall)]
static extern int LogSetBaseDirectory(long ola, long loggerHandle, string baseDirectory);
[DllImport("OLAPlug_x64.dll", CallingConvention = CallingConvention.StdCall)]
static extern int LogSetFileNamePattern(long ola, long loggerHandle, string fileNamePattern);
[DllImport("OLAPlug_x64.dll", CallingConvention = CallingConvention.StdCall)]
static extern int LogInfo(long ola, string message);
[DllImport("OLAPlug_x64.dll", CallingConvention = CallingConvention.StdCall)]
static extern int LogRotateFile(long ola, long loggerHandle);
[DllImport("OLAPlug_x64.dll", CallingConvention = CallingConvention.StdCall)]
static extern int LogGetTotalFilesCount(long ola, long loggerHandle);

long instance = CreateCOLAPlugInterFace();
long logger = 0;

LogSetBaseDirectory(instance, logger, @"D:\logs");
LogSetFileNamePattern(instance, logger, "app_{date}_{index}.log");
LogInfo(instance, "file-1");
LogRotateFile(instance, logger);
LogInfo(instance, "file-2");
int count = LogGetTotalFilesCount(instance, logger);

from ctypes import CDLL, c_int, c_int64

ola = CDLL("OLAPlug_x64.dll")
ola.CreateCOLAPlugInterFace.restype = c_int64
instance = ola.CreateCOLAPlugInterFace()
logger = 0

ola.LogSetBaseDirectory(instance, logger, b"D:\\logs")
ola.LogSetFileNamePattern(instance, logger, b"app_{date}_{index}.log")
ola.LogInfo(instance, b"file-1")
ola.LogRotateFile(instance, logger)
ola.LogInfo(instance, b"file-2")
print("total files:", ola.LogGetTotalFilesCount(instance, logger))

返回值

返回值	说明
（返回值）	文件数量（整数型），失败返回 -1。

注意事项

项目	说明
返回的是与当前日志实例相关的所有日志文件数量	返回的是与当前日志实例相关的所有日志文件数量。
包括当前正在使用的文件和历史文件	包括当前正在使用的文件和历史文件。
如果日志系统未初始化	如果日志系统未初始化，返回 -1。
文件数量会随着日志分割而增加	文件数量会随着日志分割而增加。
超过 LogSetMaxFiles 设置的数	超过 LogSetMaxFiles 设置的数量时，旧文件会被自动删除。